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This unit introduced you to functions.

  • Functions are written to perform a task.
  • Functions can take in input data (called parameters), then perform a task on them, then return a result.
  • We can define parameters when calling the function.
  • We can use return to return the result of a function into a variable, which enables us to use the result of the function elsewhere throughout our program.

Great work so far. Next up: Scope! Scope informs us where variables are accessible from within our programs.


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